Search a number
-
+
408224113 = 1123373753
BaseRepresentation
bin11000010101010…
…000000101110001
31001110010221012121
4120111100011301
51314001132423
6104301354241
713054563523
oct3025200561
91043127177
10408224113
1119a482900
12b4868981
1366760a3b
143c305a13
1525c8a45d
hex18550171

408224113 has 6 divisors (see below), whose sum is σ = 448709282. Its totient is φ = 371112720.

The previous prime is 408224107. The next prime is 408224147. The reversal of 408224113 is 311422804.

It can be written as a sum of positive squares in only one way, i.e., 233111824 + 175112289 = 15268^2 + 13233^2 .

It is not a de Polignac number, because 408224113 - 25 = 408224081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (408224183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1686756 + ... + 1686997.

Almost surely, 2408224113 is an apocalyptic number.

It is an amenable number.

408224113 is a deficient number, since it is larger than the sum of its proper divisors (40485169).

408224113 is a wasteful number, since it uses less digits than its factorization.

408224113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373775 (or 3373764 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 408224113 is about 20204.5567385182. The cubic root of 408224113 is about 741.8217308455.

Adding to 408224113 its reverse (311422804), we get a palindrome (719646917).

The spelling of 408224113 in words is "four hundred eight million, two hundred twenty-four thousand, one hundred thirteen".

Divisors: 1 11 121 3373753 37111283 408224113